f7eee89b2a
Add support for the Atmel AT91SAM9XE range of processors. These are basically AT91SAM9260's with different amounts of internal SRAM and Flash. We make use of the existing AT91SAM9260 support, but just perform run-time detection of the size of the internal SRAM. Original patch from Nicolas Ferre. Signed-off-by: Andrew Victor <andrew@sanpeople.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
59 lines
2.7 KiB
C
59 lines
2.7 KiB
C
/*
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* include/asm-arm/arch-at91/at91_dbgu.h
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*
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* Copyright (C) 2005 Ivan Kokshaysky
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* Copyright (C) SAN People
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*
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* Debug Unit (DBGU) - System peripherals registers.
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* Based on AT91RM9200 datasheet revision E.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*/
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#ifndef AT91_DBGU_H
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#define AT91_DBGU_H
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#define AT91_DBGU_CR (AT91_DBGU + 0x00) /* Control Register */
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#define AT91_DBGU_MR (AT91_DBGU + 0x04) /* Mode Register */
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#define AT91_DBGU_IER (AT91_DBGU + 0x08) /* Interrupt Enable Register */
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#define AT91_DBGU_TXRDY (1 << 1) /* Transmitter Ready */
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#define AT91_DBGU_TXEMPTY (1 << 9) /* Transmitter Empty */
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#define AT91_DBGU_IDR (AT91_DBGU + 0x0c) /* Interrupt Disable Register */
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#define AT91_DBGU_IMR (AT91_DBGU + 0x10) /* Interrupt Mask Register */
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#define AT91_DBGU_SR (AT91_DBGU + 0x14) /* Status Register */
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#define AT91_DBGU_RHR (AT91_DBGU + 0x18) /* Receiver Holding Register */
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#define AT91_DBGU_THR (AT91_DBGU + 0x1c) /* Transmitter Holding Register */
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#define AT91_DBGU_BRGR (AT91_DBGU + 0x20) /* Baud Rate Generator Register */
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#define AT91_DBGU_CIDR (AT91_DBGU + 0x40) /* Chip ID Register */
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#define AT91_DBGU_EXID (AT91_DBGU + 0x44) /* Chip ID Extension Register */
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#define AT91_CIDR_VERSION (0x1f << 0) /* Version of the Device */
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#define AT91_CIDR_EPROC (7 << 5) /* Embedded Processor */
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#define AT91_CIDR_NVPSIZ (0xf << 8) /* Nonvolatile Program Memory Size */
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#define AT91_CIDR_NVPSIZ2 (0xf << 12) /* Second Nonvolatile Program Memory Size */
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#define AT91_CIDR_SRAMSIZ (0xf << 16) /* Internal SRAM Size */
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#define AT91_CIDR_SRAMSIZ_1K (1 << 16)
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#define AT91_CIDR_SRAMSIZ_2K (2 << 16)
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#define AT91_CIDR_SRAMSIZ_112K (4 << 16)
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#define AT91_CIDR_SRAMSIZ_4K (5 << 16)
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#define AT91_CIDR_SRAMSIZ_80K (6 << 16)
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#define AT91_CIDR_SRAMSIZ_160K (7 << 16)
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#define AT91_CIDR_SRAMSIZ_8K (8 << 16)
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#define AT91_CIDR_SRAMSIZ_16K (9 << 16)
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#define AT91_CIDR_SRAMSIZ_32K (10 << 16)
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#define AT91_CIDR_SRAMSIZ_64K (11 << 16)
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#define AT91_CIDR_SRAMSIZ_128K (12 << 16)
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#define AT91_CIDR_SRAMSIZ_256K (13 << 16)
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#define AT91_CIDR_SRAMSIZ_96K (14 << 16)
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#define AT91_CIDR_SRAMSIZ_512K (15 << 16)
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#define AT91_CIDR_ARCH (0xff << 20) /* Architecture Identifier */
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#define AT91_CIDR_NVPTYP (7 << 28) /* Nonvolatile Program Memory Type */
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#define AT91_CIDR_EXT (1 << 31) /* Extension Flag */
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#define AT91_DBGU_FNR (AT91_DBGU + 0x48) /* Force NTRST Register [SAM9 only] */
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#define AT91_DBGU_FNTRST (1 << 0) /* Force NTRST */
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#endif
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